Exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalogue, with severity and affected-product data from the National Vulnerability Database. Everything on this list has been observed in real attacks — it is not a forecast.
- 1695
- On the catalogue
- 8
- Added in 7 days
- 7
- Due within 7 days
- 354
- Used in ransomware
| CVE | Affected | CVSS | Added | Due | |
|---|---|---|---|---|---|
| CVE-2022-21999 | Microsoft Windows | 2022-03-25 | 2022-04-15 | ransomware | |
| CVE-2021-43890 | Microsoft Windows | 2021-12-15 | 2021-12-29 | ransomware | |
| CVE-2021-43226 | Microsoft Windows | 2025-10-06 | 2025-10-27 | ransomware | |
| CVE-2021-42321 | Microsoft Exchange | 2021-11-17 | 2021-12-01 | ransomware | |
| CVE-2021-42287 | Microsoft Active Directory | 2022-04-11 | 2022-05-02 | ransomware | |
| CVE-2021-42278 | Microsoft Active Directory | 2022-04-11 | 2022-05-02 | ransomware | |
| CVE-2021-41379 | Microsoft Windows | 2022-03-03 | 2022-03-17 | ransomware | |
| CVE-2021-40449 | Microsoft Windows | 2021-11-17 | 2021-12-01 | ransomware | |
| CVE-2021-31207 | Microsoft Exchange Server | 2021-11-03 | 2021-11-17 | ransomware | |
| CVE-2021-27065 | Microsoft Exchange Server | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2021-26858 | Microsoft Exchange Server | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2021-26857 | Microsoft Exchange Server | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2021-26855 | Microsoft Exchange Server | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2021-26411 | Microsoft Internet Explorer | 2021-11-03 | 2021-11-17 | ransomware | |
| CVE-2020-1472 | Microsoft Netlogon | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2020-0968 | Microsoft Internet Explorer | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2020-0878 | Microsoft Edge and Internet Explorer | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2020-0688 | Microsoft Exchange Server | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2019-1388 | Microsoft Windows | 2023-04-07 | 2023-04-28 | ransomware | |
| CVE-2019-1367 | Microsoft Internet Explorer | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2019-1322 | Microsoft Windows | 2022-03-15 | 2022-04-05 | ransomware | |
| CVE-2019-1315 | Microsoft Windows | 2022-03-15 | 2022-04-05 | ransomware | |
| CVE-2019-1253 | Microsoft Windows | 2022-03-15 | 2022-04-05 | ransomware | |
| CVE-2019-1215 | Microsoft Windows | 2021-11-03 | 2022-05-03 | ransomware | |
| CVE-2019-1129 | Microsoft Windows | 2022-03-15 | 2022-04-05 | ransomware |